The center is closed due to a found bomb

Due to the discovery of an explosive device the center of the city is closed; yesterday afternoon a bomb was found during construction work at the Humbolt University and today (16 September, 2015) the area is closed to let the bomb squad defuse the bomb.

The bomb is big: about 50 kg of explosive material, that’s why the police closed a big area in the center, and also 2 houses are evacuated, the affected area includes Hannoversche Straße, Robert-Koch-Platz, Friedrichsstraße, Hessischen and Philippstraße.
In short: the center of the city, dozens of thousands of people, Berliner and tourists too every day flock the area.